<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <script>
        // 将多维数组
        var arr = [
            [1, 2, 2],
            [3, 4, 5, 5],
            [6, 7, 8, 9, [11, 12, [12, 13, [14]]]], 10
        ];

        function flattenArray(array) {
            var result = [];
            array.forEach(function(item) {
                if (item instanceof Array) {
                    result = result.concat(flattenArray(item));
                } else {
                    result.push(item);
                }
            });
            return result;
        }

        var flatArray = flattenArray(arr);
        console.log(flatArray);
        // 输出: [1, 2, 2, 3, 4, 5, 5, 6, 7, 8, 9, 11, 12, 12, 13, 14, 10]
    </script>
</body>
</html>
